ขาย DS1302 Clock Module with Battery Real-Time Clock Module RTC for Arduino AVR I1P7 ราคาที่ดีที่สุด

DS1302 Clock Module with Battery Real-Time Clock Module RTC for Arduino AVR I1P7 Notices: Professional guidance is highly recommended if you have any difficult in use. Due to the light and shooting angle, pictures may have slightly chromatic aberration. Please allow 1-3mm in size measurement chart for variance due to manual measurement. Features: Simple 3-wire interface. 8-pin DIP package or an optional 8-pin SOIC surface mount package under. Real clock with energy calculations before 2100 seconds, minutes, hours, day, week, month, year capacity, as well as the ability to leap year adjustment. Serial I / O ports such a way that a minimum number of pins. Read / write clock or RAM data transfer mode, there are two single-byte and multi-byte transfer mode transmission character set. Dual power tubes used for the main power supply and backup power supply. DS1302 is made large 8-pin DIP chip, chip below IC socket for easy replacement and swap chips Module operating voltage compatible 3.3V/5V, can be connected with 5V and 3.3V microcontroller. Specifications: Wide operating voltage range: 2.0 5.5V. Vcc = 5V and TTL compatible Optional industrial temperature range: -40 to +85 PCB single panel size: 44mm * 23mm * 1.6mm With four positioning holes, diameter: 3.1mm Backup battery: genuine celestial CR2032, Voltage 3V, current 260mAh, non-rechargeable batteries Crystal 32.768KHz, Japan imported crystal, matching capacitance 6pF, size 2 * 6mm Working temperature: 0℃~ 70℃ Package included: 1 x DS1302 Module